Thermodynamic System and Air Parcels Quiz

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Questions and Answers

What does the image below represent?

  • A thermodynamic system
  • A travel mug
  • A means for isolating fluids
  • A helpful abstraction for a parcel of air (correct)

In the context of atmospheric science, what is a thermodynamic system?

  • A specific part of the universe separated from the rest of the universe by boundaries (correct)
  • A tool for analyzing cloud development
  • A device to measure temperature changes
  • A method for isolating different types of gases

In the context of atmospheric stability, what does cold air above warm air indicate?

  • Conditionally unstable
  • Unstable (correct)
  • Neutrally stable
  • Stable

What type of contrasts cause vertical motion in the atmosphere?

<p>Density (A)</p> Signup and view all the answers

What is the name for the change in temperature/size of an air parcel without addition or removal of heat?

<p>Adiabatic process (D)</p> Signup and view all the answers

What is the value of dry adiabatic lapse rate?

<p>$10°C$ per $1000 m$ (B)</p> Signup and view all the answers

What happens to a rising air parcel as long as it remains unsaturated?

<p>It expands and cools by 10°C per kilometre (A)</p> Signup and view all the answers

What determines stability in the atmosphere?

<p>The temperature of a rising air parcel compared to the temperature of the surrounding environment (D)</p> Signup and view all the answers

What serves as a proxy for density in the atmosphere?

<p>Temperature (C)</p> Signup and view all the answers

What is an absolutely stable environment characterized by?

<p>ELR &lt; Saturated adiabatic lapse rate (B)</p> Signup and view all the answers

What does a radiosonde measure and transmit?

<p>Pressure, temperature, and humidity (A)</p> Signup and view all the answers

What provides the vertical profile of the horizontal wind in the atmosphere?

<p>Radiosonde (A)</p> Signup and view all the answers

What occurs when the environmental lapse rate is less than the saturated adiabatic lapse rate?

<p>An absolutely stable atmosphere (A)</p> Signup and view all the answers

When are air parcels colder than the surrounding air expected to behave?

<p>Sink (B)</p> Signup and view all the answers

In what type of environment does air parcels warmer than surrounding air tend to do?

<p>Rise (C)</p> Signup and view all the answers

When is the local environment considered unstable?

<p>When temperature in the atmosphere decreases faster than temperature of rising air parcel (B)</p> Signup and view all the answers

In the context of atmospheric science, what is a thermodynamic system?

<p>A specific part of the universe separated from the rest by boundaries (A)</p> Signup and view all the answers

What does cold air above warm air indicate in the context of atmospheric stability?

<p>Conditionally unstable (C)</p> Signup and view all the answers

What type of contrasts cause vertical motion in the atmosphere?

<p>Density (B)</p> Signup and view all the answers

What serves as a proxy for density in the atmosphere?

<p>Temperature (B)</p> Signup and view all the answers

What occurs when the environmental lapse rate is less than the saturated adiabatic lapse rate?

<p>Clouds form as air rises and cools (A)</p> Signup and view all the answers

What is an absolutely stable environment characterized by in the context of atmospheric stability?

<p>Vertical motion is often adiabatic (D)</p> Signup and view all the answers

In the context of atmospheric stability, what serves as a proxy for density in the atmosphere?

<p>Altitude (A)</p> Signup and view all the answers

What occurs when the environmental lapse rate is less than the saturated adiabatic lapse rate?

<p>A stable atmosphere (A)</p> Signup and view all the answers

What does a radiosonde measure and transmit in the atmosphere?

<p>Pressure, temperature, and humidity (B)</p> Signup and view all the answers

When are air parcels colder than the surrounding air expected to behave in the atmosphere?

<p>They sink (D)</p> Signup and view all the answers

What type of contrasts cause vertical motion in the atmosphere?

<p>Temperature contrasts (B)</p> Signup and view all the answers

What is an absolutely stable environment characterized by in the context of atmospheric science?

<p>ELR &lt; Saturated adiabatic lapse rate (C)</p> Signup and view all the answers

What is the name for the change in temperature/size of an air parcel without addition or removal of heat?

<p>Adiabatic process (A)</p> Signup and view all the answers

What does cold air above warm air indicate in the context of atmospheric stability?

<p>Unstable environment (B)</p> Signup and view all the answers

What type of environment does air parcels warmer than surrounding air tend to experience in the atmosphere?

<p>Stable environment (D)</p> Signup and view all the answers

What is an absolutely stable atmosphere characterized by?

<p>Environmental lapse rate less than saturated adiabatic lapse rate (A)</p> Signup and view all the answers

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